I am making a site where clients will be able to buy only one item. I do not want to charge them for s apecific time period (actually clients will be charged only after a specific number of clients is gathered). For this reason i want to use the authorization payment action that paypal offers for delayed captured funds. I have not found out how i can use it (the authorization option) in the PayPal method that is integrated in VM. Has anybody used it? Could someone give me a hint?